Anyway to downgrade from JB back to ICS without root?

[11000101]

Is it possible? Can't stand JB. I feel ICS had waaaaay better battery life. Thanks

 

[jonhan]

The way I understand it is, you cannot revert on a stock phone once it's been updated.
When I updated there was a slight response drag and battery was not as good.
These went away after a few days.

 

[WAldenIV]

Why/how is your battery life worse? What do you see listed as the biggest battery drains?

My battery is the same on JB as on ICS.

 

[CrocadileUT]

Same battery life for me as it was before. Something else must be at hand.

You do not want to downgrade, JB is worth keeping.

 

[mixman]

Is it possible? Can't stand JB. I feel ICS had waaaaay better battery life. Thanks

This should take you back to ICS. I used it over the weekend when I had a boo-boo with freezing some bloatware and lost all home screen access:

How to restore your Motorola DROID RAZR M back to stock ICS from the JB leak

 

[lololovestech]

That's too bad about the battery. I was worried about battery life after the update but mine so far has been just as good if not better. Sometimes stuff just doesn't work right. Frustrating.

Sent from my XT907 using Android Central Forums

 

[11000101]

Mixman: Thank you so much for the help! worked like a charm. to those who are telling me to stay with jb because you guys arent having issues: If you are using an A2DP stereo that is a little older, JB has serious issues. ICS didnt. Verizon and Google both confirmed this when I contacted their tech 3 support. JB is awesome, much better than ICS, but I need that A2DP feature to work correctly and at all times!!! And for some reason, I think some apps play better with ICS than JB thats why there is a battery drain? I donty know just speculating because I reverted back to ICS, installed all the apps back on, and no battery drain. Thanks guys for your input and MIXMAN, well, ur the man!!!

 

[mixman]

I'm glad that link was useful for you. The credit goes to whoever created that file and to Phone Arena for posting the article. I'm just the messenger

 

[lololovestech]

I had a terrible result from upgrading from gingerbread to ICS on my GS2. Some galaxys played well w/ ICS, others did not. Mine was one of the ones that didn't. There is no way they put exactly the same components in each handset when they sell millions. What you're saying 11000101 sounds totally legit. Will Verizon not replace the phone on warranty? (I couldn't get a replacement out of sprint).

Sent from my XT907 using Android Central Forums

 

[cory99cc]

Is this for Droid RAZR M ONLY? how about a regular, old-fashioned RAZR that has JB? Gotta take it in as the GPS and radio are totally wrecked.